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GE Biax L Compact Fluorescent Lamp 4 Pin 18 watt Cool White 840

5 stars, 1 customer reviews
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Quick Find: 9726

Product Discontinued
This item was discontinued on 28th September, 2022

Check out our full range:
PLL Compact Fluorescent Lamps


Cap/Base Type
4 Pin

Colour Temp
4000 K


225 mm

Light Bulb Type
Multi Tube (Long Single Turn)

Light Colour
Cool White (840/845)

1350 lm


Compact Fluorescent

Light Bulb

220-240 Volt

18 W

38 mm

GE Biax L Compact Fluorescent Lamp 4 Pin 18 watt Cool White 840 from GE

Model: TU F18BX/840 GE 1/25

Offering an excellent 22,500 hour lamp life this 18 Watt GE Biax L compact fluorescent is an exceptional lamp ideally suited to installation in modular luminaires. Featuring high colour rendering and lumen maintenance this lamp emits a Cool White colour temperature.

Technical Specifications

Light Bulb Type Multi Tube (Long Single Turn)
Technology Compact Fluorescent
Wattage 18 W
Manufacturer GE
Light Colour Cool White (840/845)
Dimming? Dimmable
Lumens 1350 lm
Colour Temp 4000 K
Length 225 mm
Cap/Base Type 4 Pin
Type Light Bulb
Manufacturers Average Lamp Life 15000 hrs
Voltage 220-240 Volt
Warranty 1 Year
Width 38 mm
CRI Rating > 80
Cap/Base 2G11

Associated Product Barcodes


Alternative Stock Identifier Part Codes

GE FSL18840GE F039A


For GE Biax L Compact Fluorescent Lamp 4 Pin 18 watt Cool White 840



Frequently Asked Questions

We make every effort in answering your questions.

Can I swap one brand of tube for another?

Fri Jul 2015

Yes, as long as they're the same wattage. We offer fluorescent tubes from all the large manufacturers including Osram, Philips, Sylvania and GE.  Different manufacturers use different product names to describe a fluorescent tubes, see bel ...

I need a light bulb for my UV nail dryer… What type do I need?

Fri Jul 2015

To replace dead UV light bulbs in a nail dryer you will need a blacklight type bulb. Nail dryers take one of two types of bulbs which are either PLS or PLL type. The two types of blacklight bulbs can be identified by how many pins your lamp has. P ...

What's the difference between switch start and high frequency?!

Tue Jul 2015

Switch Start Switch start is the control gear that has been used by the industry for many years. The current is limited by a wire wound magnetic choke or ballast. The choke, which is a coil of wire makes the circuit inductive. The advantage of switc ...


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